Jot down five divisions and five multiplications whose answers are Measures GM3.1 Core Starter Jot down five divisions and five multiplications whose answers are (a) equal to 10 (b) equal to 0.1 (c) equal to 0.5 Preamble A straightforward activity practising multiplication and division. These open problems are best attempted by individuals and then, when the various results have been collected, checked by the whole group. Possible content Multiplication and division by powers of ten. Resources None. Solution/Notes There are numerous solutions. For example, 5 × 2 =10 and 10 × 1 = 10.